itch.io

Oh yeah, it also helps to play the watering mini game more. The better you are, the bigger the belly, the easier it'll be 

Not really, just the bigger you are the bigger the green area that you have to hit the button to succeed in. It happened gradually, though not sure if it is linear or not, it does feel slow at the star for that increase in area. Eventually, though that does take a LOOOONG time, the green area covers like 95% of the bar even